package com.cskaoyan.javase.array.memory4;

/**
 * @description: null和没有初始化
 * @author: wuguidong@cskaoyan.onaliyun.com
 **/

public class Demo3 {
    public static void main(String[] args) {
        int[] arr1;
        //System.out.println(arr1);
        arr1 = null;
        System.out.println(arr1);
        System.out.println(arr1.length);
    }
}
